package com.sky.service.impl;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.sky.constant.MessageConstant;
import com.sky.dto.UserLoginDTO;
import com.sky.entity.User;
import com.sky.exception.LoginFailedException;
import com.sky.mapper.UserMapper;
import com.sky.properties.WeChatProperties;
import com.sky.service.UserService;
import com.sky.utils.HttpClientUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.time.LocalDateTime;
import java.util.HashMap;
import java.util.Map;

@Service
public class UserServiceImpl implements UserService {
    @Autowired
    private WeChatProperties weChatProperties;
    @Autowired
    private UserMapper userMapper;
    //微信服务接口地址
    public static final String WX_LOGIN = "https://api.weixin.qq.com/sns/jscode2session";
    @Override
    public User wxLogin(UserLoginDTO userLoginDTO) {
        //调用微信接口服务获取当前微信用户的openid
        Map<String, String> map=new HashMap<>();
       // Map<String, String> map = new HashMap<>();
        map.put("appid",weChatProperties.getAppid());
        map.put("secret",weChatProperties.getSecret());
        map.put("js_code",userLoginDTO.getCode());
        map.put("grant_type","authorization_code");
        String json = HttpClientUtil.doGet(WX_LOGIN, map);

        JSONObject jsonObject = JSON.parseObject(json);
        String openid = jsonObject.getString("openid");
      //  HttpClientUtil.doGet(WX_LOGIN,map);
        //判断openid是否存在
            if (openid == null){
                throw new LoginFailedException(MessageConstant.LOGIN_FAILED);
            }

        //获取用户
        User user=userMapper.getByOpenId(openid);
        if (user==null){
            //判断当前用户是否为新用户
            User user1=new User();
            user1.setOpenid(openid);
            user1.setCreateTime(LocalDateTime.now());
           userMapper.save(user1);
           return user1;
        }
        //如果是新用户自动完成注册

        //返回用户对象
        return user;
    }
}
